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Chapter 1
1.3.4 ATX 20-pin Power Connector (CN1)
, 8 *-
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+?1 ,8 .( '
,
#
PIN
SIGNAL
1
3.3V
2
3.3V
3
GND
4
5
GND
6
7
GND
8
PW_OK
9
5V_SB
10
12V
Motherboard Description
PIN
11
12
13
5V
14
15
5V
16
17
18
19
20
5
SIGNAL
3.3V
-12V
GND
PS_ON
GND
GND
GND
-5V
5V
5V